Types of abstracts. There are two types of abstracts: descriptive and informative. They have different aims, so as a consequence they have different components and styles. There is also a third type called critical, but it is rarely used.
Samsung Galaxy Note 7 smartphone has been banned from all aircraft in the United States. The US Transportation Department and other agencies have banned passengers from carrying on the devices or putting them inside checked baggage during flights.
British Airways lifts mobile phone and iPad restrictions. BA is the first airline in Europe to allow passengers to keep hand-held electronic devices switched on from the moment they enter the plane to the moment they leave provided they are kept on flight safe mode Photo: ALAMY (POSED BY MODEL)